Archives 1968 - 1981

January 8, 1968: M. Fleischer letter to C. Guillemin on the Commission on New Minerals work

C. Guillmemin’s letter

January 27, 1968: C. Guillemin letter to Tilley to create a Vice-Chair position within the Commission on New Minerals 1981 - Bull. Mineralogy, 104, 77-78 - Avant-propos par Claude Guillemin, président de l’IMA.